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Quick Details

  • Protection Class: IP54, IP44
  • Method: Cooling Method
  • Insulation Class: H
  • Voltage: 160V,440V,660V
  • Type: Three phase dc motor
  • Protect Feature: Waterproof
  • Structure: Asynchronous Motor
  • Phase: Three Phase
  • Shape: Tubular
  • Power: DC

Packaging & Delivery

Packaging Details Wooden case.
Delivery Time within 30 working days when confirmed the order.

YZR-YZ series three phase crane motors and dc motor

 

1.YZR.YZ series three phase crane motor


2.Protection Grade: IP54,


3.Cooling Method: IC17,IC37


4.Insulation Class: H

 

5.YZR-YZ series dc motors for crane and metallurgical uses, featured with large overload capacity and adequate mechanical strength, are special suitable for driving various types of crane and metallurgical machineries or other similar equipment.

 

6.YZE series motors are of wound motors type, while YZ series motors are of squirrel cage type.

 

 

Electrical performance


1. The technical data for the YZR-YZ three phase crane dc motor should be used according to the following data work conditions
A. altitude does not exceed 1000m,
B. surrounding air temperature is not more than 40 ° c,
C. work environment should not contain acid and alkaline or other to touch with insulation effect of gas
D. motor for continuous duty (S1),
E. motor armature loop and excitation circuitry by static electricity, rectifying power supply by dc generators.

F. the series motor performance with GB/T755 the basic technology of motor.


2. motor 160V rated voltage is standard, 440V. According to the specific conditions can derive 220V and 400V or other voltage.


3. motor rated speed 3,000, 15, 10, 750, 6, 5, 4, 3, 200r/min of nine.
To reduce the armature voltage constant torque control, reduce excitation constant power voltage for speed. Speed range of technical data table saw.

 

In the following with rated voltage regulating speed is constant torque. It is no less than the minimum speed regulation 20r/min, still can maintain the rated speed, torque.

 

4.Separate excitation is the basic excitation type of the motors. Nominal field voltage: 180V. Other excitation voltages are also acceptable on request.


Forced excitation is allowed with the voltage of less than 500v. When a motor is normally running, its excitation current must not be higher than the rated excitation current.

 

To ensure the reliability of the insulation of excitation system, disconnect excitation circuitry on a field winding resistance, release ends in parallel to prevent self-induction potential. In its value standard excitation voltage is about seven times the field winding resistance (cold state). While the field voltage is higher than nominal voltage, the value of shunt resistance may be lower than seven times field resistance, otherwise higher than seven times.


5. For frame size Z4-315, Z4-355,Z4-400, and Z4-450, compensating windings are provided. For frame size Z4-250 and Z4-280, the crane motors of YZR.YZ are feasible with a compensating winding too.

 

6. A marked earthing terminal is provided for the motors.

 

7. The efficiencies listed in the data sheet are for rated output, voltage and speed , and include excitation losses, excluding that of separate ventilating fans

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